(semigroup theory)
101Heat equation — The heat equation is an important partial differential equation which describes the distribution of heat (or variation in temperature) in a given region over time. For a function of three spatial variables ( x , y , z ) and one time variable t ,… …
102Quadratic residue — In number theory, an integer q is called a quadratic residue modulo n if it is congruent to a perfect square modulo n; i.e., if there exists an integer x such that: Otherwise, q is called a quadratic nonresidue modulo n. Originally an abstract… …
103Young's inequality — In mathematics, the standard form of Young s inequality states that if a and b are nonnegative real numbers and p and q are positive real numbers such that 1/ p + 1/ q = 1 then we have:ab le frac{a^p}{p} + frac{b^q}{q}.Equality holds if and only… …
104Monic polynomial — In algebra, a monic polynomial is a polynomial in which the leading coefficient cn is equal to 1. Contents 1 Univariate polynomials 1.1 Examples 1.2 …
105Mountain climbing problem — Example of the problem resolution. In mathematics, the mountain climbing problem is a problem of finding conditions two function forming profiles of a two dimensional mountain must satisfy, so that two climbers can start on the bottom on the… …
106Semiring — In abstract algebra, a semiring is an algebraic structure similar to a ring, but without the requirement that each element must have an additive inverse. The term rig is also used occasionally this originated as a joke, suggesting that rigs are… …
107List of mathematics articles (O) — NOTOC O O minimal theory O Nan group O(n) Obelus Oberwolfach Prize Object of the mind Object theory Oblate spheroid Oblate spheroidal coordinates Oblique projection Oblique reflection Observability Observability Gramian Observable subgroup… …
108Band (algebra) — In mathematics, a band is a semigroup in which every element is idempotent (in other words equal to its own square). The lattice of varieties of bands was described independently by Birjukov, Fennemore and Gerhard. Semilattices, left zero bands,… …
109Demi-groupe —  Ne doit pas être confondu avec semi groupe. En mathématiques, un demi groupe est une structure algébrique consistant en un ensemble muni d une loi de composition interne associative. Par définition il s agit donc d un magma associatif. Il… …
110Semi-groupe —  Ne doit pas être confondu avec demi groupe. En mathématiques, un semi groupe est une structure algébrique, en quelque sorte intermédiaire entre un magma et un groupe. Pour les besoins de l informatique, les propriétés propres aux semi… …
